Ripped from the headlines, the explosive Trackers saga is a realistic depiction of what an EMP attack and the aftermath might look like from one of the genre's leading voices, USA Today best-selling author and former Homeland Security Disaster Mitigation Officer, Nicholas Sansbury Smith. This box set includes the entire four-book Trackers series with over 30 hours of postapocalyptic survival fiction and action. Box set includes Trackers, Trackers 2: The Hunted, Trackers 3: The Storm, and Trackers 4: The Damned.

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by diving to the surface to scavenge for parts the ships desperately need.

The worst of nature and the worst of science will bring the human race to the brink of extinction. Master Sergeant Reed Beckham has led his Delta Force team, code named Ghost, through every kind of hell imaginable and never lost a man. When a top secret medical corps research facility goes dark, Team Ghost is called in to face their deadliest enemy yet - a variant strain of Ebola that turns men into monsters.

In the year 2055, scientists discover something far worse than rising temperatures and rising seas - they discover massive sunspots that are producing unprecedented solar flares. With little time to prepare for the storms, NASA recruits doctors Sophie Winston and Emanuel Rodriguez to help monitor the solar weather. But they quickly realize they haven't been told everything about their mission. And as a massive storm races toward Earth, they begin to suspect that it isn't a natural event. Millions of miles away something is feeding the storms....

This omnibus edition contains Survival (book 1) and Humanity (book 2) of the After It Happened series.